1. Mechanobiology Laboratory, Nagoya University Graduate School of Medicine Nagoya 466-8550 Japan hirata@neptune.kanazawa-it.ac.jp
2. Department of Applied Bioscience, College of Bioscience and Chemistry, Kanazawa Institute of Technology Hakusan 924-0838 Japan
3. Human Information Systems Laboratory, Kanazawa Institute of Technology Hakusan 924-0838 Japan